Illuminated display device



FIG. 1 is a front elevational view of an illuminated display device showing my new design;

FIG. 2 is an isometric view showing the front, bottom, and left side thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a bottom plan view. 

The ornamental design for an illuminated display device, as shown and described. 